VansAirForceForums  
Home > VansAirForceForums

- POSTING RULES
- Donate yearly (please).
- Advertise in here!

- Today's Posts | Insert Pics


Go Back   VAF Forums > Search Forums
Register FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 62 of 500
Search took 0.04 seconds.
Search: Posts Made By: lr172
Forum: Traditional Aircraft Engines Today, 02:39 PM
Replies: 2
Views: 441
Posted By lr172
Thanks. more char

Thanks.

more char
Forum: Flight Testing Today, 02:25 PM
Replies: 11
Views: 380
Posted By lr172
There are two issues. one, will the FSDO allow...

There are two issues. one, will the FSDO allow it and two, will the airport authority allow it. Some airports have unique restrictions. For example, mine does not allow T&G's. Not sure why. ...
Forum: Alternative Engines Today, 11:01 AM
Replies: 614
Views: 114,065
Posted By lr172
I can't imagine that a typical FP RV prop,...

I can't imagine that a typical FP RV prop, designed to run at 2500-2700 would do very well on an engine that will max out at 1900 RPM.
Forum: Electronic Ignition Systems Today, 10:52 AM
Replies: 11
Views: 360
Posted By lr172
Its all about the heat range of the plug, not the...

Its all about the heat range of the plug, not the spark energy. I put the 37by's on the bottom and auto plugs on top. The 37by has a much larger cavity between the ceramic and shell (designed that...
Forum: RV Ongoing Maintenance Issues Today, 08:54 AM
Replies: 17
Views: 1,133
Posted By lr172
I struggle to see how MMO can knock off .005" of...

I struggle to see how MMO can knock off .005" of coked oil. If it could, they would be the official fix. I can see how it would lubricate and clean just enough for the symptoms to abate. However,...
Forum: RV Ongoing Maintenance Issues Today, 08:19 AM
Replies: 17
Views: 1,133
Posted By lr172
I would be looking at things that reduce power...

I would be looking at things that reduce power output in number one. Ignition (plug issue), fuel flow (injector clogging) and compression. I would speculate that #1 is not producing full...
Forum: Electronic Ignition Systems Today, 08:09 AM
Replies: 11
Views: 360
Posted By lr172
re-read my post, as I added info after you read...

re-read my post, as I added info after you read it.

You need to look at the mag harness routing. 1st and 3rd plug to fire are one polarity and 2nd and 4th are the other. Each successive wire /...
Forum: Electronic Ignition Systems Today, 07:48 AM
Replies: 11
Views: 360
Posted By lr172
Old habits die hard. This was an approach set up...

Old habits die hard. This was an approach set up to deal with unique characteristics of mags.

Mags alternate spark polarity on each 180* rotation (it is using a round magnet to generate the power...
Forum: VAF Classifieds (posts in here deleted after 30 days) Today, 06:37 AM
Replies: 9
Views: 935
Posted By lr172
I am currently making one of these for my engine....

I am currently making one of these for my engine. It will be similar to the Lycoming ST-71 tool (no need to remove valve spring with this one). If you still need one, I can make a second and sell for...
Forum: Instrument Flight Rules Yesterday, 07:18 AM
Replies: 14
Views: 605
Posted By lr172
If flying in IMC condtions, it is important that...

If flying in IMC condtions, it is important that you do not request practice approaches. You don't want to be accidentally cleared for a practice approach (assumes the pilot maintains VFR separation...
Forum: Electrical Systems Yesterday, 07:02 AM
Replies: 10
Views: 450
Posted By lr172
most installations have both the switch and...

most installations have both the switch and relays. a failure in either can cause Inop.

Larry
Forum: RV-10 10-26-2020, 11:03 AM
Replies: 6
Views: 316
Posted By lr172
I would wait until the door is installed, so that...

I would wait until the door is installed, so that you can measure for yourself and determine the necessary length. No need to trim the gutter all the way back before the door is installed. I used a...
Forum: RV-14 10-26-2020, 10:54 AM
Replies: 27
Views: 3,308
Posted By lr172
You likely have problem in the bnc crimp or the...

You likely have problem in the bnc crimp or the ring terminals. I wouldn't be surprised if the 650 could pick up a VOR at 5 miles with no antenna or at least a dummy load.

Did you ensure that the...
Forum: RV-10 10-26-2020, 09:15 AM
Replies: 6
Views: 316
Posted By lr172
clearance from door to lip is critical for proper...

clearance from door to lip is critical for proper use of bulb seal. Too little and you will struggle to get the door closed. Too much and the bulb will not seal well. I and others have posted...
Forum: RV-14 10-25-2020, 12:44 PM
Replies: 15
Views: 3,195
Posted By lr172
It is doable. I did the bottom skins on my 10 QB...

It is doable. I did the bottom skins on my 10 QB wings by myself. I think there were a few rivets that required someone else working the gun, as the bar was just too hard to hold with accuracy...
Forum: Traditional Aircraft Engines 10-25-2020, 12:18 PM
Replies: 6
Views: 719
Posted By lr172
Those deposits look typical for the **** they...

Those deposits look typical for the **** they call auto gas today. The cars don't have the same qty of deposits, as the plugs are much hotter than the aviation plugs. UREM37BY plugs run hotter and...
Forum: Glass Cockpit 10-25-2020, 12:13 PM
Replies: 3
Views: 623
Posted By lr172
good catch. I had always assumed that in an...

good catch. I had always assumed that in an emergency, with failed equipment, ATC would find a way to deal with whatever your are sqwauking and could rely on your verbal altitude reports. However,...
Forum: Traditional Aircraft Engines 10-24-2020, 10:27 PM
Replies: 23
Views: 2,390
Posted By lr172
The other clue that points away from glazing is...

The other clue that points away from glazing is the affected area is on top, which is the coolest part of the barrel. I have only seen glazing on the sides or bottom of the barrel. It is also odd...
Forum: RV Building Tips/Techniques 10-24-2020, 07:28 AM
Replies: 6
Views: 502
Posted By lr172
tape lines in base coat can easily be sanded out...

tape lines in base coat can easily be sanded out after clear. The clear is much thicker than the base adn there is plenty remaining to sand it flat. Even with hardener, the base liquifies when the...
Forum: Traditional Aircraft Engines 10-23-2020, 12:14 PM
Replies: 23
Views: 2,390
Posted By lr172
I have had glazed cylinders and the color was an...

I have had glazed cylinders and the color was an semi-opaque, light brown. I don't see how you can get jet black, coaked oil on a cylnder wall (constant scraping by the rings prevents a build up). ...
Forum: RV General Discussion/News 10-23-2020, 07:36 AM
Replies: 10
Views: 651
Posted By lr172
The surface tension of paint causes it to be...

The surface tension of paint causes it to be attracted to edges, where the excess extends beyond the edge. Thinner coats should help.

Larry
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-23-2020, 07:32 AM
Replies: 1
Views: 229
Posted By lr172
I have one. PM me. Larry

I have one. PM me.

Larry
Forum: RV Building Tips/Techniques 10-23-2020, 06:50 AM
Replies: 15
Views: 1,374
Posted By lr172
You can try something on your sub-standard units....

You can try something on your sub-standard units. On my 320 rebuild, the VT didn't pass. I fully disassembled it and found a decent amount of carbon deposits inside. After fully cleaning, it...
Forum: COMM 10-22-2020, 07:04 AM
Replies: 8
Views: 620
Posted By lr172
I have one of these that I never installed (the...

I have one of these that I never installed (the Rami branded version). Will make you a great deal if you go that way. I wouldn't recommend it for most installations, but will be quite adequate for...
Forum: RV-10 10-21-2020, 10:43 AM
Replies: 13
Views: 639
Posted By lr172
I put two 250 Watt oil pan heaters on my 540 ($30...

I put two 250 Watt oil pan heaters on my 540 ($30 each from amazon) and it heats the oil nicely. If you put a blanket over the cowl and plug the cowl inlets, will easily warm the whole engine as...
Forum: Traditional Aircraft Engines 10-21-2020, 10:34 AM
Replies: 5
Views: 380
Posted By lr172
+1 complete break in is usually longer than the...

+1

complete break in is usually longer than the time for CHTs to drop and oil consumption to stabilize. Best to use mineral or any oil with out friction modifiers, such as xc 20w50 for 50 hours. ...
Forum: Traditional Aircraft Engines 10-21-2020, 07:54 AM
Replies: 9
Views: 624
Posted By lr172
That is not uncommon behavior for Lyc FI. Not...

That is not uncommon behavior for Lyc FI. Not what I would call classic induction leak behavior.

Larry
Forum: Traditional Aircraft Engines 10-20-2020, 11:07 AM
Replies: 9
Views: 624
Posted By lr172
How does it run when cold? Cold engines need...

How does it run when cold? Cold engines need more fuel per a given air flow than a warm engine and servos don't account for this at idle. Leaks in the induction system, with FI, will result in...
Forum: RV Building Tips/Techniques 10-20-2020, 06:29 AM
Replies: 10
Views: 962
Posted By lr172
Depends on how strong the f/g needs to be to...

Depends on how strong the f/g needs to be to support what is attached with the rivet. I have used them in several areas. Vans even calls for an backing strip when rivetting on the cabin top on a...
Forum: Traditional Aircraft Engines 10-19-2020, 10:29 AM
Replies: 8
Views: 671
Posted By lr172
That sounds more like a sensor issue. Definately...

That sounds more like a sensor issue. Definately get a mechanical gauge on the engine to confirm the sensor output. If the gauge reads the same, hot and cold, it's time to take the relief unit off...
Forum: RV Building Tips/Techniques 10-19-2020, 10:23 AM
Replies: 11
Views: 1,155
Posted By lr172
This approach works well and how I did it before...

This approach works well and how I did it before the lathe.
Forum: Propellers 10-19-2020, 10:18 AM
Replies: 11
Views: 776
Posted By lr172
320 with Catto here. I go WOT on take off and...

320 with Catto here. I go WOT on take off and don't come off of that until decent. I have a bit of a climb prop. I can still make 2700 at 13000'. I cruise LOP at around 2720 at 8000' and get 160...
Forum: Traditional Aircraft Engines 10-19-2020, 07:46 AM
Replies: 8
Views: 671
Posted By lr172
Is this engine installed with the previously...

Is this engine installed with the previously proven senders? If so, they likely can be trusted. New sensors have a VERY low probability of not reading correctly.

I would be concerned that the...
Forum: RV-10 10-19-2020, 07:10 AM
Replies: 6
Views: 285
Posted By lr172
My prop cable had plenty of clearance, but the...

My prop cable had plenty of clearance, but the throttle and mixture cable were close enough to be a chafe risk. I used firesleeve or some spare silicone Vacuum hose around the portion of the cable...
Forum: RV-12/RV-12iS 10-18-2020, 11:50 AM
Replies: 45
Views: 3,976
Posted By lr172
+1 I routinely do Ignition checks in the air. ...

+1

I routinely do Ignition checks in the air. Like Vic, I find that small variances can more easily be spotted by doing this. The risk of a failure due solely to an ON OFF ON cycle is WAY less...
Forum: RV-10 10-18-2020, 10:08 AM
Replies: 23
Views: 2,319
Posted By lr172
Labor is never separated in retail products. Did...

Labor is never separated in retail products. Did your Iphone purchase include a separate line item for the manufacturing labor? Pretty much every product purchased has a labor component, that...
Forum: RV-12/RV-12iS 10-18-2020, 10:01 AM
Replies: 45
Views: 3,976
Posted By lr172
You need to better understand how a mag works. ...

You need to better understand how a mag works. The P lead, when switched OFF (according to your switch), simply grounds the primary winding. Same thing happens twice per engine revolution (points...
Forum: VAF Classifieds (posts in here deleted after 30 days) 10-17-2020, 07:08 AM
Replies: 2
Views: 433
Posted By lr172
I will take it, if still available. Sending...

I will take it, if still available. Sending PM

Larry
Forum: RV-10 10-17-2020, 06:42 AM
Replies: 2
Views: 422
Posted By lr172
One should never mix different weights of...

One should never mix different weights of multi-weight oil. Mixing straight weights is ok. Something about viscosity modifiers doesn't do well when mixed. I suspect adding straight to multi is not...
Forum: RV-10 10-15-2020, 11:08 AM
Replies: 13
Views: 611
Posted By lr172
Van's has been pretty clear that an MK319BS is...

Van's has been pretty clear that an MK319BS is almost equal in strength to a traditional rivet and allow substitution for a -3 in most places.

Larry
Forum: RV-10 10-15-2020, 10:37 AM
Replies: 13
Views: 611
Posted By lr172
I think you will regret riveting on the top skin...

I think you will regret riveting on the top skin before completing avionics work. Do the research. plane can be put on the gear before riveting on that skin and I believe the engine can be hung as...
Forum: Glass Cockpit 10-15-2020, 07:58 AM
Replies: 35
Views: 2,570
Posted By lr172
No pitot was provided on my 10 kit. I was...

No pitot was provided on my 10 kit. I was expected to buy one and numerous affordable options existed. I suspect that Van's assumed no one with a 10 would want the #4 3003 tube option. However, I...
Forum: RV-7/7A 10-15-2020, 07:13 AM
Replies: 13
Views: 790
Posted By lr172
Year round here. See no benefit to going...

Year round here. See no benefit to going straight weight in the summer. Philips XC 20W50 is a well proven oil for year round use. I do use cam gaurd, but have no real evidence that it helps. ...
Forum: RV-7/7A 10-14-2020, 08:39 PM
Replies: 13
Views: 790
Posted By lr172
First, we don't use detergent oil in aviation;...

First, we don't use detergent oil in aviation; Only AD additive. Second, most straight weights are simply too thick (unless you can find an SAE 30 wt aviation oil anymore) for the 0 degree and lower...
Forum: RV-7/7A 10-14-2020, 08:36 PM
Replies: 13
Views: 790
Posted By lr172
20W50 here Larry

20W50 here

Larry
Forum: RV-10 10-14-2020, 08:15 PM
Replies: 26
Views: 1,964
Posted By lr172
The Garmin is much worse than the Dynon. For...

The Garmin is much worse than the Dynon. For some reason, in addition to the 1" probe/rod, garmin put a 5/8" high, fat nut on the probe side of the hole. Not sure what they were thinking with that...
Forum: Glass Cockpit 10-14-2020, 07:58 PM
Replies: 35
Views: 2,570
Posted By lr172
Sorry, but that is inappropriate. Are they...

Sorry, but that is inappropriate. Are they equally negligent for not including an airspeed indicator? They sell airframe kit, not a complete airplane.
Forum: RV-10 10-13-2020, 05:14 PM
Replies: 26
Views: 1,964
Posted By lr172
I am considering splicing in some cable and...

I am considering splicing in some cable and putting the sensor on the bottom of the H stab just inboard of the tip. That should put me about 6' away from the fuse.

Do you guys think this is far...
Forum: RV-10 10-13-2020, 10:46 AM
Replies: 26
Views: 1,964
Posted By lr172
Thanks for the offer. Always looking for a...

Thanks for the offer. Always looking for a reason to fly and I plan to take you up on the offer, as I would like to get as accurate data as I can. I often fly directly over Peoria on my way to...
Forum: Traditional Aircraft Engines 10-13-2020, 07:48 AM
Replies: 2
Views: 441
Posted By lr172
Valve guide ID

I am going to make a wobble test tool to check the clearance on my IO-320-B1A (original cylinders from the 60's, but overhauled in the 2000 timeframe). From my research, it seems that everyone is...
Forum: Electrical Systems 10-12-2020, 10:47 AM
Replies: 7
Views: 493
Posted By lr172
A bendix drive is pretty tolerant of engagement...

A bendix drive is pretty tolerant of engagement with the engine running, at least at idle RPMs. If you seem suseptible to hitting the starter button with the engine running, maybe pilot training is...
Forum: RV-10 10-12-2020, 08:00 AM
Replies: 26
Views: 1,964
Posted By lr172
Anyone put OAT probe in the Tail Area?

I put my OAT probe on the rear H stab spar, under the emp cover. It gets a good dose of ambient air in flight (negative pressure under the emp cover) and am confident that it is getting a good...
Forum: Electrical Systems 10-11-2020, 03:21 PM
Replies: 7
Views: 393
Posted By lr172
I should have been more clear. I was referring...

I should have been more clear. I was referring to the externally regulated ND's. They have a Stator terminal, as most externally regulators had an S terminal.

Larry
Forum: Electrical Systems 10-11-2020, 12:04 PM
Replies: 7
Views: 393
Posted By lr172
From my recollection, the small case ND...

From my recollection, the small case ND alternators with the three prong connection have a Stator output. These are typically for 80's vintage engines.

Larry
Forum: RV General Discussion/News 10-11-2020, 11:56 AM
Replies: 16
Views: 2,373
Posted By lr172
We flew down to Columbia to see the Mizzou LSU...

We flew down to Columbia to see the Mizzou LSU game with my son - a Student at Mizzou. A pretty exciting and unexpected win. Hurricane Delta forced the game to be played in MO instead of LA. As...
Forum: Traditional Aircraft Engines 10-11-2020, 11:48 AM
Replies: 23
Views: 1,380
Posted By lr172
the strap uses a large quantity of very thin...

the strap uses a large quantity of very thin wires. The battery cable (or thick gauge Tefzel) uses a small quantity of thick wires. The thinner the wire, the more it can flex without cracking or...
Forum: Electrical Systems 10-11-2020, 08:40 AM
Replies: 17
Views: 961
Posted By lr172
I struggled with an intermittent overvoltage...

I struggled with an intermittent overvoltage (only 15 volts, usually when cold) and traced it down to a bad connection on the sense wire at the buss/CB. The bad connection increases resistance and...
Forum: RV Building Tips/Techniques 10-10-2020, 07:01 AM
Replies: 28
Views: 2,436
Posted By lr172
The static error due to the source shape/location...

The static error due to the source shape/location can either read high or low. Not saying you don't have a leak, just that source errors can go either direction.

Larry
Forum: RV Ongoing Maintenance Issues 10-10-2020, 06:57 AM
Replies: 32
Sticky: Sticky Brakes
Views: 41,380
Posted By lr172
If the cleveland design is similar to the matco,...

If the cleveland design is similar to the matco, I can attest that bad seals can allow air into the supply lines.

Larry
Forum: RV General Discussion/News 10-10-2020, 06:46 AM
Replies: 5
Views: 619
Posted By lr172
No issues with a plug instead of a tube, assuming...

No issues with a plug instead of a tube, assuming you can otherwise insure adequate oil volume.\. Just be sure to get the right thread pitch. The threads are aluminum and easily galled. As...
Forum: Traditional Aircraft Engines 10-10-2020, 06:37 AM
Replies: 20
Views: 1,703
Posted By lr172
I have had very good luck with the 14158 ND...

I have had very good luck with the 14158 ND alternator. It is 45 amps and externally regulated. I built the knuckles O/V crowbar circuit (schematic is online) with about $5 in parts from Digikey. ...
Forum: RV-10 10-09-2020, 07:59 AM
Replies: 6
Views: 632
Posted By lr172
Mine is just ahead of the first bulkhead behind...

Mine is just ahead of the first bulkhead behind the baggage wall, near the top skin. Mine passed the test and performs well. I did use scat type hose with plastic support instead of metal for the...
Showing results 1 to 62 of 500

 
Forum Jump

All times are GMT -6. The time now is 05:42 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.